/*
 * Copyright 2013 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.univ.fblikes.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.ComponentScan.Filter;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.core.io.ClassPathResource;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseFactory;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
import org.springframework.jdbc.datasource.init.DatabasePopulator;
import org.springframework.jdbc.datasource.init.ResourceDatabasePopulator;
import org.springframework.social.connect.jdbc.JdbcUsersConnectionRepository;

import javax.sql.DataSource;

/**
 * Main configuration class for the application.
 * Turns on @Component scanning, loads externalized application.properties, and sets up the database.
 */
@Configuration
@ComponentScan(basePackages = "org.univ.fblikes", excludeFilters = {@Filter(Configuration.class)})
@PropertySource("classpath:org/univ/fblikes/config/application.properties")
public class MainConfig {

    @Bean(destroyMethod = "shutdown")
    public DataSource dataSource() {
        EmbeddedDatabaseFactory factory = new EmbeddedDatabaseFactory();
        factory.setDatabaseName("spring-social-quickstart");
        factory.setDatabaseType(EmbeddedDatabaseType.H2);
        factory.setDatabasePopulator(databasePopulator());
        return factory.getDatabase();
    }

    // internal helpers
    private DatabasePopulator databasePopulator() {
        ResourceDatabasePopulator populator = new ResourceDatabasePopulator();
        populator.addScript(new ClassPathResource("JdbcUsersConnectionRepository.sql", JdbcUsersConnectionRepository.class));
        return populator;
    }
}
